Cephalopod brains are toroidal (high surface area to volume ratios!), with the esophagus passing through the, uh, donut hole; octopodes are very intelligent, particularly spatially.
Where can I find ...

When my dog (an English Cocker Spaniel, for what its worth) is behind some glass (e.g. a glass door or a car window) and someone taps on the glass, even just a little bit, she gets into a fit of rage. ...

despite the obvious difficulties of definition and measurement, and the various controversies surrounding the use of IQ-type scores in human beings, it seems unquestionable that there are significant ...

In the wild, animals may share waterholes, and grazing areas. Some animals have symbiotic relationships one example being the hippopotamus and the oxpecker bird.
The symbiotic relationships are based ...

Howe et al (2013) found that a dopamine signal becomes stronger as a goal is approached. The experiment involved rats running in a maze. If the rats were close to solving the maze, the dopamine signal ...

As I grew up, I was taught that the difference between humans and animals was that human beings have free will and animals do not. The basis is that animals will act accordingly to the nature of their ...

I have been debating the following topic with a friend.
She argues that humans do not descend from chimpanzees or orang-utans, because if we did, such animals would share the same cognitive thinking ...

In human research, we define our universe and estimate the effect size we expect to observe, then we can draw the a sample of a given size.
How is sample size determined for experiments in the animal ...

We all seem to have a "probabilistic sense", which manifests itself in certain types of expectations (e.g. even if one has never used a bow to shoot an arrow, one expects that hitting a small target ...

According to the Fox News article "Chimps Smarter Than Humans in Memory Test" chimps were able to significantly outperform humans in a simple working memory task. I quote one part of the article in ...

There are many examples of animal language that involve vocal pattens or "grammar".
For example, there is the the Bee dance, bird songs, whale songs, dogs.
Bird vocalization includes both bird calls ...

When using operant conditioning to train mice or rats, what type of stimulus is most effective? For example, does a negative reinforcement of a loud noise have a more profound effect than a negative ...

The most canonical experimental paradigm for studying human attachment styles is the Strange Situation leading to classifications such as Secure, Insecure-avoidant, and so on.
What are the equivalent ...

My motivation for this question is dog-based, but I suppose it would apply equally well to humans. How do animals recognize their own kind, particularly where there is large variation in appearance?
...

Elephants and whales have brains that are much larger than those of humans. It is presumed that much of their brain is used up for their larger bodies (after all, there is a allometric scaling between ...